20829672

素因数分解:

$2^3\times 3^2\times {\mathrm{439}}^1\times {\mathrm{659}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 56628000

約数和(自身を除く): 35798328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 439, 659, 878, 1317, 1318, 1756, 1977, 2634, 2636, 3512, 3951, 3954, 5268, 5272, 5931, 7902, 7908, 10536, 11862, 15804, 15816, 23724, 31608, 47448, 289301, 578602, 867903, 1157204, 1735806, 2314408, 2603709, 3471612, 5207418, 6943224, 10414836, 20829672]

約数ペア:

[(1, 20829672), (2, 10414836), (3, 6943224), (4, 5207418), (6, 3471612), (8, 2603709), (9, 2314408), (12, 1735806), (18, 1157204), (24, 867903), (36, 578602), (72, 289301), (439, 47448), (659, 31608), (878, 23724), (1317, 15816), (1318, 15804), (1756, 11862), (1977, 10536), (2634, 7908), (2636, 7902), (3512, 5931), (3951, 5272), (3954, 5268)]